Model: S121-0178

Electromagnetic Relay

Properties:

Overall Length
4.750 inches
Center To Center Distance Between Mounting Facilities Parallel To Length
4.312 inches single mounting facility
Overall Height
3.930 inches
Overall Width
2.500 inches
Unthreaded Mounting Hole Diameter
0.187 inches single mounting facility
End Application
Engine generator (eg)
Winding Quantity
1
Coil Quantity
1
Duty Type
Continuous
Mounting Facility Type And Quantity
2 unthreaded hole single mounting facility
Mounting Facility Pattern
In-line single mounting facility
Operating Voltage Rating And Type At Specificationified Temp
37.9 volts dc 25 degrees celsius single winding
Main Contact Load Current Rating At Maximum Rated Voltage
250.0 milliamperes dc resistive load
Main Contact Maximum Voltage Rating In Volts
125.0 dc
Terminal Type And Quantity
2 wire lead energizing element
Terminal Type And Quantity
2 wire lead contacts
NSN
5945-00-854-4020
Part Number
S121-0178
Description
Relay,electromagnetic
CAGE
93742

A relay which is actuated by the effect of a magnetic field developed by the current in its energizing coil(s). Includes solenoid and armature types. Excludes contactor, magnetic; relay, meter movement; relay, motor driven; relay, reed; relay, resonant reed; relay, rotary; and switch, stepping.

Part S121-0178 NSN 5945-00-854-4020

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
32512
FIIG:
A03300
Concept No.:
1
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 8536490050
  • SITC: 77254
  • End Use: Electric apparatus
  • NAICS: 335314
  • USDA: 1

Freight Class: Relays, electromechanical, with contacts rated at less than 10 a, for a voltage exceeding 60 v but not exceeding 1000 v

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